B1 (Thiamine) Helps your nervous system, digestion, muscles, and heart
Iqbal SN, Rekhi A, James A, Johnson JA, Trinidade A
doi: 10.5858/arpa.2018-0241-RA 7 GomesCCDinizMGDe MenezesGHCastroWHGomezRS
Homocysteine and lipids: S-Adenosyl methionine as a key intermediate
In a controlled double-blind study, single and multiple DSIP injections normalized disturbed sleep patterns, and participants showed better performance and increased alertness during waking hours, along with improved stress tolerance
Nasal sprays and transdermal patches: Nasal sprays and transdermal (skin) patches offer alternative ways to get B12, but are less common for correcting deficiencies